![]() In other words, the curve for a curve segment was calculated separately from all other curves, including the curve segment itself. (Curve control points are located at the end points of each control line on a path or contour, in AutoCAD terms). For each surface, the curve was calculated from the first control point. Prior to AutoCAD 2018, all surfaces were calculated separately. The new method of calculating curves for surfaces The most notable change, however, has been a significant change in the method that AutoCAD uses to calculate the behavior of curves on surfaces. ![]() While this is the first major update to AutoCAD since the year 2000, the changes are not all that dramatic. Having just completed a major AutoCAD upgrade, I decided to document some of the other changes and improvements in AutoCAD 2018. Using new features for creating forms and parts, especially for designers, architects, engineers, and machinists. Invisibility for details and cross-section images Useful new features in annotation, including annotation, vertical text, and annotation arc You can now create holes that can be fully or partially visible, or completely invisibleĬurve contours with new commands to create contours in new dimensions, and many new options for editing contours If you are familiar with the latest changes, you can skip the remainder of this article. The 11th major release of AutoCAD has a number of new features, which should be highlighted here. New modeling tools to make more complex parts With new features such as:Ĭreation of parts that can be either completely invisible (no holes) or completely visible (hollow)Ĭreation of parts that can be very thin or very thick With the release of AutoCAD 2018, AutoCAD has evolved to the point where it can be used for almost any purpose. Its predecessors included AutoCAD II and AutoCAD LT, as well as AutoCAD 2000. Its easy-to-use, 3D capabilities, coupled with its low cost and extensive feature set, make AutoCAD the world’s most popular CAD software.
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